/* the test-system banner outside prod (#79); a file, not inline: CSP style-src 'self' */
#test-system-banner { background: #fff3c4; color: #3d2f00; border-bottom: 2px solid #c79a00; padding: 8px 16px; text-align: center; font-weight: 600; font-size: 0.95rem; }